Home / 12,585,996,904.53-17,368,677,428.34-6,947,213,820.15

Finding the Fourth Proportional to 12,585,996,904.53, 17,368,677,428.34 and 6,947,213,820.15

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Solution

The fourth proportional to 12,585,996,904.53, 17,368,677,428.34 and 6,947,213,820.15 is: 9,587,156,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,996,904.53 : 17,368,677,428.34 = 6,947,213,820.15 : x
  2. Step 2: Convert to fraction form
    12,585,996,904.53/17,368,677,428.34 = 6,947,213,820.15/x
  3. Step 3: Cross multiply
    12,585,996,904.53x = 17,368,677,428.34 × 6,947,213,820.15
  4. Step 4: Simplify right side
    12,585,996,904.53x = 120,663,915,867,891,007,488
  5. Step 5: Solve for x
    x = 120,663,915,867,891,007,488/12,585,996,904.53
  6. Step 6: Final answer
    x = 9,587,156,010.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.